Budiansky, Stephen, <br/><br/>
Code warriors :  NSA's codebreakers and the secret intelligence war against the Soviet Union / 
Stephen Budiansky. 
 - xxi, 389 pages, 16 unnumbered pages of plates :  illustrations ;  25 cm 
<br/><br/>Includes bibliographical references (pages 359-372) and index. 
<br/><br/><label>ISBN: </label>9780385352666 
<br/><br/><label>LCCN: </label>2015045330 
<br/><br/><label>Subjects--Corporate Names: </label><br/>United States. National Security Agency --History.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography--History--United States
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Foreign relations--Soviet Union.<br/>Soviet Union--Foreign relations--United States.
<br/><br/><label>LC Class. No.: </label>UB256.U6  / B83 2016 
<br/><br/><label>Dewey Class. No.: </label>327.7304709/045